PT-2025-47377 · Gnu+3 · Gnu Grub+3
Published
2025-11-18
·
Updated
2026-05-19
·
CVE-2025-54771
CVSS v3.1
4.9
Medium
| Vector | AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L |
Name of the Vulnerable Software and Affected Versions
GNU GRUB (Grand Unified Bootloader) (affected versions not specified)
Description
A use-after-free issue exists in GNU GRUB (Grand Unified Bootloader). The problem stems from an incorrect memory pointer retention during the file-closing process, resulting in an invalid reference to a file system structure. Exploitation of this issue could lead to a Denial of Service, potentially compromising data integrity or confidentiality.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
DoS
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Weakness Enumeration
Related Identifiers
Affected Products
Debian
Gnu Grub
Red Os
Suse